Michael Ruhlman’s innovative and successful food reference books include Egg: A Culinary Exploration of the World’s Most Versatile Ingredient, Ratio, The Elements of Cooking, Ruhlman’s Twenty, and Charcuterie. He has appeared as a judge on Iron Chef America and as a featured guest on Anthony Bourdain’s No Reservations. He has also coauthored books with Thomas Keller, Eric Ripert, and Michael Symon. He lives in Cleveland with his wife, photographer Donna Turner Ruhlman, and their two children.